Cj Klein
Staff Data Engineer @Mozilla
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WORK HISTORY
Staff Data Engineer @Mozilla
Los Angeles, CA, US
Leading the migration of Mozilla’s Ads data warehouse, ETL pipelines, and reporting stack from Snowflake, Prefect, dbt, and Mode to BigQuery, Airflow, BigQuery ETL, and Looker, improving performance, cost efficiency, and maintainability.Designing and developing data models for Ads reporting and New Tab (our largest ads surface) machine learning processes, supporting feature engineering, forecasting, and business intelligence.Partnering with Ads Data Science & Analytics teams to define and integrate key Ads performance metrics, ensuring alignment with ad operations and revenue tracking.Collaborating with cross-functional teams (Newtab & Ads engineering, & product) to capture upstream Newtab & Ads features for accurate downstream tracking and ETL processing.
ABOUT CJ KLEIN
I design, develop, and maintain data pipelines and infrastructure with an emphasis on…
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